<template>
  <el-form ref="deptForm" :model="form" :rules="rules" label-width="120px">
    <el-form-item label="部门名称" prop="name">
      <el-input v-model="form.name" style="width:80%" placeholder="1-50个字符" />
    </el-form-item>
    <el-form-item label="部门编码" prop="code">
      <el-input v-model="form.code" style="width:80%" placeholder="1-50个字符" />
    </el-form-item>
    <el-form-item label="部门负责人" prop="manager">
      <el-select v-model="form.manager" style="width:80%" placeholder="请选择">
        <!-- <el-option value="1" label="小美丽" />
        <el-option value="2" label="大漂亮" /> -->
        <!-- 渲染下拉员工 -->
        <el-option v-for="item in employees" :key="item.id" :value="item.username" :label="item.username" />
      </el-select>
    </el-form-item>
    <el-form-item label="部门介绍" prop="introduce">
      <el-input v-model="form.introduce" style="width:80%" placeholder="1-300个字符" type="textarea" :rows="3" />
    </el-form-item>
    <el-form-item>
      <el-button type="primary" size="small" @click="hSubmit">确定</el-button>
      <el-button size="small" @click="$emit('close')">取消</el-button>
    </el-form-item>
  </el-form>
</template>
<script>
import { getEmployeeSimple } from '@/api/employees'
import { addDepartments, getDepartmentsDatail, updateDepartments } from '@/api/departments.js'
export default {
  props: {
    id: {
      type: String,
      required: true
    },
    isEdit: {
      type: Boolean,
      required: true
    },
    originList: {
      type: Array,
      required: true
    }
  },
  data() {
    const validCode = (rule, value, callback) => {
      let exisCodeList = this.originList.map(item => item.code)
      if (this.isEdit) {
        exisCodeList = this.originList.filter(item => item.id !== this.id).map(item => item.code)
      }
      if (exisCodeList.includes(value)) {
        callback(new Error(`部门编码:${value} 已存在`))
      } else {
        callback()
      }
    }
    const validName = (rule, value, callback) => {
      // 过滤取出pid=id（一级部门）的部门  取出name
      let exisNameList = this.originList.filter(item => item.pid === this.id).map(item => item.name)
      if (this.isEdit) {
        const curDepartment = this.originList.find(item => item.id === this.id)
        const pid = curDepartment.pid
        const brothers = this.originList.filter(item => item.pid === pid)
        exisNameList = brothers.filter(item => item.id !== this.id).map(item => item.name)
      }
      console.log(exisNameList)
      if (exisNameList.includes(value)) {
        callback(new Error(`部门名称:${value} 已存在`))
      } else {
        callback()
      }
    }
    return {
      employees: [],
      form: {
        name: '', // 部门名称
        code: '', // 部门编码
        manager: '', // 部门管理者
        introduce: '' // 部门介绍
      },
      rules: {
        name: [
          { required: true, message: '请输入部门名称', trigger: 'blur' },
          { min: 1, max: 50, message: '请输入1-50字符', trigger: 'blur' },
          { validator: validName, trigger: 'blur' }
        ],
        code: [{ required: true, message: '请输入部门编码', trigger: 'blur' },
          { min: 1, max: 50, message: '请输入1-50字符', trigger: 'blur' },
          { validator: validCode, trigger: 'blur' }
        ],
        manager: [{ required: true, message: '请输入部门负责人', trigger: ['blur', 'change'] }],
        introduce: [{ required: true, message: '请输入部门介绍', trigger: 'blur' },
          { min: 1, max: 300, message: '请输入1-300字符', trigger: 'blur' }
        ]
      }
    }
  },
  created() {
    this.loadEmployeeSimple()
    // 判断状态
    if (this.isEdit) {
      this.loadDepartmentsDatail()
    }
  },
  methods: {
    // 修改=数据回显
    async loadDepartmentsDatail() {
      try {
        const res = await getDepartmentsDatail(this.id)
        // console.log(res)
        this.form = res.data
      } catch (error) {
        console.log(error)
      }
    },
    // 发请求获取员工下拉
    async loadEmployeeSimple() {
      try {
        const res = await getEmployeeSimple()
        if (res.code === 10000) {
          this.employees = res.data
        }
      } catch (error) {
        console.log(error)
        this.$message.error(error)
      }
    },
    hSubmit() {
      // 实现兜底校验
      this.$refs.deptForm.validate(valid => {
        if (!valid) return
        this.isEdit ? this.doEdit() : this.doAdd()
      })
      // this.doAdd() 状态值判断
    },
    // 修改
    async  doEdit() {
      try {
        const res = await updateDepartments(this.form)
        if (res.code !== 10000) return this.$message.error(res.message)
        this.$message.success(res.message)
        this.$emit('success')
      } catch (error) {
        console.log()
      }
    },
    // 绑定添加事件
    async doAdd() {
      try {
        const res = await addDepartments({ ...this.form, pid: this.id })
        // console.log(res)
        if (res.code !== 10000) return this.$message.error(res.message)
        this.$message.success(res.message)
        // 从新渲染数据 关闭弹层  字传父
        this.$emit('success')
      } catch (error) {
        // console.log(error)
        this.$$message.error(error)
      }
    }
  }
}

</script>

